Home / 26,547.28-39,824.44-20,319.12

Finding the Fourth Proportional to 26,547.28, 39,824.44 and 20,319.12

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Solution

The fourth proportional to 26,547.28, 39,824.44 and 20,319.12 is: 30,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.28 : 39,824.44 = 20,319.12 : x
  2. Step 2: Convert to fraction form
    26,547.28/39,824.44 = 20,319.12/x
  3. Step 3: Cross multiply
    26,547.28x = 39,824.44 × 20,319.12
  4. Step 4: Simplify right side
    26,547.28x = 809,197,575.29
  5. Step 5: Solve for x
    x = 809,197,575.29/26,547.28
  6. Step 6: Final answer
    x = 30,481.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.